- A Stomatal closure
- B Stem elongation
- C Cell division
- D Fruit ripening
Correct answer: C. Cell division
Explanation: Cytokinins primarily promote cell division (cytokinesis) and also help delay senescence and promote lateral bud growth in plants.
Concept context
Phases of plant growth, the five classical plant hormones plus newer ones, photoperiodism, vernalization, and seed dormancy.